The reduction of O2 to H2O in acidic solution has a standard reduction potential of 1.23 V. If the pH of the acid solution is increased by one unit, half cell potential will
O2(g) + 4H+ (aq) + 4e– 2H2O(l)
(A) decrease by 59 mV
(B) increase by 59 mv
(C) decrease by 236 mV
(D) increase by 236 mV
